Covered - Verilog Code Coverage Analyzer
- A Verilog code coverage analysis tool that can be useful for determining how well a diagnostic test suite is covering the design under test.
Gerbv - A Free Gerber Viewer
- A utility for displaying CAD files that are used in the manufacture of electronic printed circuit boards. It is one of the utilities affiliated with the gEDA project.
Icarus Verilog
- A Verilog simulation and synthesis tool; it operates as a compiler, compiling source code written in Verilog (IEEE-1364) into some target format.
Open Collector
- Database of open hardware designs and design programs (especially the EDA end of hardware design).
The gEDA Project
- A GPLed suite of tools used for electrical circuit design, schematic capture, simulation, prototyping, and production. Latest stable release is 1.4.1, 2008-09-29.